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Wyświetlanie 1-6 z 6
Tytuł:
Determinanty natychmiastowych stóp zwrotu z akcji spółek Skarbu Państwa dokonujących pierwotnych ofert publicznych
Autorzy:
I, Leszek C Z A P I E W S K
I, Tomasz J E W A R T O W S K
I, Michał K A Ł D O Ń‑ S K
A, Jacek M I Z E R K
Powiązania:
https://bibliotekanauki.pl/articles/701809.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Źródło:
Ekonomista; 2014, 4
0013-3205
2299-6184
Pojawia się w:
Ekonomista
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparison of commonly used extraction methods for ergosterol in soil samples
Autorzy:
Sae-Tun, O.
Maftukhah, R.
Noller, C.
Remlinger, V.I.
Meyer-Laker, V.
Sorensen, A.C.T.
Sustic, D.
Socianu, S.I.
Bernardini, L.G.
Mentler, A.
Keiblinger, K.M.
Powiązania:
https://bibliotekanauki.pl/articles/2082954.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
soil
alkaline extraction
ergosterol extraction
glass bead beating
ultrasonication extraction
Opis:
Concerning the contribution of fungi to soil carbon sequestration, various methods have been used to extract ergosterol from soil samples. This study aims to explore the extraction ability and applicability of commonly used methods to extract ergosterol from two contrasting soils. An agricultural soil (chernozem) and a forest soil (podzol) were extracted with different types of cell lysis such as alkaline, glass bead, and ultrasonication methods in association with simple shaking. The ergosterol concentration was measured by high pressure liquid chromatography. Regardless of the method applied, ergosterol yield was higher in podzol than in chernozem. Alkaline extraction resulted in the highest ergosterol concentrations for both soils and miniaturized glass bead extraction produced comparable results in the case of chernozem. In terms of applicability, the non-alkaline methods were simpler to conduct and less demanding of labour, chemical use and glassware and more flexible in terms of the equipment used for mechanical disruption. Despite the limit of the two soil types in the present study, only the simple shaking method was revealed to be dependent on soil type. Based on our results, we recommend the miniaturized glass bead method for agricultural soils, low in organic matter for high throughput. However, not all of the methods described allow for the proper separation of coextracted organic substances from organic-rich soil.
Źródło:
International Agrophysics; 2020, 34, 4; 425-432
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Basic for a valuation of the Polish Exclusive Economic Zone of the Baltic Sea: Rationale and quest for tools
Autorzy:
Weslawski, J.M.
Andrulewicz, E.
Kotwicki, L.
Kuzebski, E.
Lewandowski, A.
Linkowski, T.
Massel, S.R.
Musielak, S.
Olanczuk-Neyman, K.
Pempkowiak, J.
Piekarek-Jankowska, H.
Radziejewska, T.
Rozynski, G.
Sagan, I.
Skora, K.E.
Szefler, K.
Urbanski, J.
Witek, Z.
Wolowicz, M.
Zachowicz, J.
Zarzycki, T.
Powiązania:
https://bibliotekanauki.pl/articles/47570.pdf
Data publikacji:
2006
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
marine environment
erosion
mineral resource
biofiltration
Polish Exclusive Economic Zone
economic valuation
Baltic Sea
ecosystem
marine ecosystem
coastal sand
fish resource
Opis:
This paper summarises current knowledge of goods and services in the Polish Exclusive Economic Zone of the Baltic Sea ecosystem. It reviews specific properties of the Baltic that could be used for economic valuation. Goods and services range from the familiar resources of fish and minerals, which were valued with the Productivity Method, to less obvious services provided by the ecosystem such as biofiltration in coastal sands, valued with either the Replacement Cost or Damage Cost Avoided methods. Disservices to the marine ecosystem are also considered, e.g. erosion and coastal flooding, including the costs of planned mitigating measures. This paper emphasises the importance of using valuation methods to help make better-educated decisions for the sustainability of the Baltic Sea.
Źródło:
Oceanologia; 2006, 48, 1
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Towards long-term standardised carbon and greenhouse gas observations for monitoring Europe´s terrestrial ecosystems: a review
Autorzy:
Franz, D.
Acosta, M.
Altimir, N.
Arriga, N.
Arrouays, D.
Aubinet, M.
Aurela, M.
Ayres, E.
Lopez-Ballesteros, A.
Barbaste, M.
Berveiller, M.
Biraud, S.
Boukir, H.
Brown, T.
Brummer, C.
Buchmann, N.
Burba, G.
Carrara, A.
Cescatti, A.
Ceschia, E.
Clement, R.
Cremonese, E.
Crill, P.
Darenova, E.
Dengel, S.
D’Odorico, P.
Filippa, G.
Fleck, S.
Fratini, G.
Fub, R.
Gielen, B.
Gogo, S.
Grace, J.
Graf, A.
Grelle, A.
Gross, P.
Grunwald, T.
Haapanala, S.
Hehn, M.
Heinesch, B.
Heiskanen, J.
Herbst, M.
Herschlein, C.
Hortangl, L.
Hufkens, K.
Ibrom, A.
Jolivet, C.
Joly, L.
Jones, M.
Kiese, R.
Klemendsson, L.
Kljun, N.
Klumpp, K.
Kolari, P.
Kolle, O.
Kowalski, A.
Kutsch, W.
Laurila, T.
De Ligne, A.
Linder, S.
Lindroth, A.
Lohila, A.
Longdoz, B.
Mammarella, I.
Manise, T.
Maranon Jimenez, S.
Matteucci, G.
Mauder, M.
Meier, P.
Merbold, L.
Mereu, S.
Metzger, S.
Migliavacca, M.
Molder, M.
Montagnani, L.
Moureaux, C.
Nelsson, D.
Nemitz, E.
Nicolini, G.
Nilsson, M.B.
Op de Beeck, M.
Osborne, B.
Lofvenius, M.O.
Pavelka, M.
Peichl, M.
Peltola, O.
Pihlatie, M.
Pitacco, A.
Pokorny, R.
Pumpanen, J.
Ratie, C.
Rebmann, C.
Roland, M.
Sabbatini, S.
Saby, N.P.A.
Saunders, M.
Schmid, H.P.
Schrumpf, M.
Sedlak, P.
Serrano Ortiz, P.
Siebicke, L.
Sigut, L.
Silvennoinen, H.
Simioni, G.
Skiba, U.
Sonnentag, O.
Soudani, K.
Soule, P.
Steinbrecher, R.
Tallec, T.
Thimonier, A.
Tuittila, E.-S.
Tuovinen, J.P.
Vestin, P.
Vncent, G.
Vincke, S.
Vitalle, D.
Waldner, P.
Weslien, P.
Wingate, L.
Wohlfahrt, G.
Zahniser, M.
Vesala, T.
Powiązania:
https://bibliotekanauki.pl/articles/25745.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Źródło:
International Agrophysics; 2018, 32, 4
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Software Startups – A Research Agenda
Autorzy:
Unterkalmsteiner, M.
Abrahamsson, P.
Wang, X. F.
Nguyen-Duc, A.
Shah, S.
Bajwa, S. S.
Baltes, G. H.
Conboy, K.
Cullina, E.
Dennehy, D.
Edison, H.
Fernandez-Sanchez, C
Garbajosa, J.
Gorschek, T.
Klotins, E.
Hokkanen, L.
Kon, F.
Lunesu, I.
Marchesi, M.
Morgan, L.
Oivo, M.
Selig, C.
Seppänen, P.
Sweetman, R.
Tyrväinen, P.
Ungerer, C.
Yagüe, A.
Powiązania:
https://bibliotekanauki.pl/articles/953060.pdf
Data publikacji:
2016
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
software startup
research agenda
software-intensive systems
Opis:
Software startup companies develop innovative, software-intensive products within limited time frames and with few resources, searching for sustainable and scalable business models. Software startups are quite distinct from traditional mature software companies, but also from micro-, small-, and medium-sized enterprises, introducing new challenges relevant for software engineering research. This paper’s research agenda focuses on software engineering in startups, identifying, in particular, 70+ research questions in the areas of supporting startup engineering activities, startup evolution models and patterns, ecosystems and innovation hubs, human aspects in software startups, applying startup concepts in non-startup environments, and methodologies and theories for startup research. We connect and motivate this research agenda with past studies in software startup research, while pointing out possible future directions. While all authors of this research agenda have their main background in Software Engineering or Computer Science, their interestin software startups broadens the perspective to the challenges, but also to the opportunities that emerge from multi-disciplinary research. Our audience is therefore primarily software engineering researchers, even though we aim at stimulating collaborations and research that crosses disciplinary boundaries. We believe that with this research agenda we cover a wide spectrum of the software startup industry current needs.
Źródło:
e-Informatica Software Engineering Journal; 2016, 10, 1; 89-123
1897-7979
Pojawia się w:
e-Informatica Software Engineering Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-6 z 6

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